:root{
  --bg:#F7F6F2; --s1:#FFFFFF; --s2:#EFEDE7; --ink:#15171C; --muted:#5E6270; --line:#E3E1DA;
  --accent:#2F4BD8; --accent-soft:#2F4BD814; --hdr:#F7F6F2d9;
  --sans:'Inter Tight',system-ui,sans-serif; --serif:'Instrument Serif',Georgia,serif;
  --max:1180px; --gut:clamp(18px,4vw,40px); --r:18px; color-scheme:light;
}
[data-theme="dark"]{
  --bg:#0D0F14; --s1:#151821; --s2:#1B1F2A; --ink:#EEF0F4; --muted:#9AA0AE; --line:#252a35;
  --accent:#8196FF; --accent-soft:#8196FF1f; --hdr:#0D0F14d9; color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;transition:opacity .28s ease,background-color .4s,color .4s}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.s{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:500;color:var(--muted)}
.kicker i{width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* header */
header.site{position:fixed;inset:0 0 auto;z-index:40;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
header.site.scrolled{background:var(--hdr);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:22px;letter-spacing:-.02em}
.logo .mk{display:grid;grid-template-columns:1fr 1fr;gap:2px;width:18px;height:18px}
.logo .mk i{border-radius:2px;background:var(--ink)}.logo .mk i:nth-child(2){background:var(--accent)}
.logo small{font-weight:400;font-size:13px;color:var(--muted)}
.nav ul{display:flex;gap:30px;list-style:none;font-size:15px;color:var(--muted)}
.nav ul a{transition:color .2s}.nav ul a:hover,.nav ul a.on{color:var(--ink)}
.nav-r{display:flex;align-items:center;gap:10px}
.theme{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--s1);display:grid;place-items:center;transition:transform .3s}
.theme:hover{transform:rotate(-15deg)}
.theme .sun{display:none}[data-theme="dark"] .theme .sun{display:block}[data-theme="dark"] .theme .moon{display:none}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;font-weight:500;font-size:15px;border:1px solid var(--line);background:var(--s1);transition:transform .2s,background .2s,border-color .2s,color .2s}
.btn:hover{transform:translateY(-1px);border-color:var(--ink)}
.btn.pri{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn.pri:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn .arr{transition:transform .2s}.btn:hover .arr{transform:translateX(3px)}

/* sections */
section.block{padding:clamp(72px,9vw,120px) 0}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
h2{font-size:clamp(32px,4.2vw,54px);line-height:1.02;letter-spacing:-.035em;font-weight:600;margin-top:12px;max-width:18ch}
h2 .s{color:var(--accent)}
.lead{font-size:clamp(17px,1.4vw,19px);color:var(--muted);max-width:56ch;margin-top:14px}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.card{background:var(--s1);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.card .ic{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:18px}
.card h3{font-size:20px;font-weight:600;letter-spacing:-.02em}
.card p{font-size:15px;color:var(--muted);margin-top:6px}

/* footer */
footer.site{border-top:1px solid var(--line);padding:44px 0 60px;font-size:14px;color:var(--muted)}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:36px}
footer .wa{display:inline-flex;align-items:center;gap:7px}
.btn.wa-btn svg{color:#25D366}
footer h5{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);margin-bottom:10px}
footer li{list-style:none;padding:3px 0}
footer a:hover{color:var(--ink)}
.who{line-height:1.6;max-width:52ch;margin-top:12px}
.who b{color:var(--ink);font-weight:500}
.f-bottom{margin-top:32px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px}

@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}
@media (max-width:980px){.cards{grid-template-columns:1fr 1fr}.f-grid{grid-template-columns:1fr 1fr}.f-grid>div:first-child{grid-column:1/-1}}
.burger{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--s1);position:relative}
.burger span{position:absolute;left:12px;right:12px;height:1.6px;border-radius:2px;background:var(--ink);transition:transform .3s,top .3s}
.burger span:first-child{top:15px}.burger span:last-child{top:23px}
header.site.open .burger span:first-child{top:19px;transform:rotate(45deg)}header.site.open .burger span:last-child{top:19px;transform:rotate(-45deg)}
@media (max-width:760px){
  .burger{display:block;order:3}
  .nav ul{position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;padding:8px var(--gut) 20px;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 24px 40px -30px #0006;font-size:20px;color:var(--ink);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility .25s}
  .nav ul li a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.nav ul li:last-child a{border-bottom:0}
  header.site.open{background:var(--bg);border-color:var(--line)}
  header.site.open .nav ul{opacity:1;visibility:visible;transform:none}
}
@media (max-width:560px){.cards{grid-template-columns:1fr}.logo small{display:none}.nav .btn{padding:10px 14px;font-size:14px}.nav-r{gap:8px}}

/* accessibility */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip-link{position:fixed;left:16px;top:-60px;z-index:200;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;transition:top .2s}
.skip-link:focus{top:12px}

.wp-note{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:14px;padding:6px 12px;background:var(--s1);color:var(--muted)}
.wp-note svg{color:var(--accent);flex:none}

/* wordmark: kostaras digital */
.logo .lw{font-family:var(--sans);font-weight:600;letter-spacing:-.03em;color:var(--ink)}
.logo .ld{font-family:var(--serif);font-style:italic;font-weight:400;font-size:1.18em;letter-spacing:-.01em;margin-left:.22em;line-height:1;
  color:var(--accent);padding-right:.08em}
.logo{gap:0!important;align-items:baseline!important}
@media (max-width:560px){.logo{font-size:19px}.nav .btn{white-space:nowrap;padding:10px 13px}}
@media (max-width:360px){.nav .btn.pri{display:none}}

/* footer brand block */
.f-brand .f-mark{height:40px;width:auto;display:block}
.f-brand .f-mark .mk{fill:var(--ink)}.f-brand .f-mark .md{fill:var(--accent)}
.f-brand a:hover .f-mark .md{fill:var(--ink)}
.f-brand address{font-style:normal;margin-top:16px;line-height:1.7}
.f-brand address b{display:block;color:var(--ink);font-weight:600}
.f-brand address a{color:inherit}.f-brand address a:hover{color:var(--ink)}